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A customer is suspicious of unauthorized access to their VNX file share. IT management needs to monitor user activity and access.
What can be done to accomplish this?
A. Enable and define the audit policy per CIFS server
B. Enable and configure CEPA on the VNX
C. Enable and configure CAVA on the VNX
D. Install Microsoft SCOM to monitor the VNX CIFS servers Correct Answer: A
A customer will be creating a VDM on a VNX. What is the size of the VDM root file system when it is created using the default method?
A. 1 GB
B. 64 MB
C. 128 MB
D. 512 MB
Correct Answer: C QUESTION 73
What feature is present in a physical Data Mover that is not present on a VDM?
D. Local groups
Correct Answer: A QUESTION 74
You are setting up VDM replication. What must the target VDM state be to successfully establish the replication?
Correct Answer: A QUESTION 75
A storage administrator has initiated a VDM failover. What information is replicated to the secondary site?
A. Password file
B. IP address
C. Network device
D. Security credentials
Correct Answer: D QUESTION 76
What is one of the benefits of using VDM for load balancing on a VNX?
A. Portability of CIFS servers between physical Data Movers
B. Round robin access of CIFS servers between Data Movers
C. Round robin access of CIFS shares between Data Movers
D. Portability of CIFS shares between physical Data Movers
Correct Answer: A QUESTION 77
A storage administrator has created multiple network interfaces on the Data Mover. While creating the CIFS server within a VDM, one network interface was selected. What action must be taken after the interface is modified?
A. Update the CIFS server with the interface changes
B. Restart CIFS services on the VDM
C. Restart CIFS services on the physical Data Mover
D. Update the VDM with the interface changes
Correct Answer: A QUESTION 78
Refer to the exhibit.
Once you commit to create the share, what is the expected outcome?
A. A local share on the VDM is created.
B. A global share on the VDM is created.
C. A user share on the VDM is created.
D. A share is not created.
Correct Answer: B QUESTION 79
A customer is planning to move VDM between Data Movers.
What needs to be verified on the destination Data Mover before the action is taken?
A. The Data Mover contains no CIFS servers with same name as source
B. The network device is identical to the source
C. The file system sizes are identical to the source D. The network ports are identical to the source
Correct Answer: A QUESTION 80
Which statement is a characteristic of tree quotas?
A. A tree quota root directory cannot be a part of another tree quota.
B. Tree quotas can be set on existing directories.
C. A maximum of 16 tree quotas can be created on a single file system.
D. Even root users are restricted by tree quotas.
Correct Answer: A QUESTION 81
An NFS user currently has 30 MB of data stored in a personal directory on a VNX. Their quota allocation allows up to 100 MB. However, they are unable to store additional data in this personal directory.
The user deleted two of their largest files in an attempt to free up additional space, but was unable to save all new files to the VNX. The user called the VNX administrator, who confirmed that the file system has additional storage capacity.
What could be the problem?
A. The file system is mounted as read only.
B. Transmission errors occurred when the user’s data was sent over the network.
C. The user has insufficient permissions to write new data to the desired location.
D. A quota was set for the maximum number of files allowed.
Correct Answer: D QUESTION 82
Which statement is a characteristic of LACP?
A. LACP presents the greatest number of ports at the same speed.
B. LACP trunks can be created with any number of physical and virtual devices.
C. All clients receive an increase in throughput due to LACP increased bandwidth.
D. Full- and half-duplex Ethernet ports can be used to create the LACP trunk.
Correct Answer: A QUESTION 83
You are trying to create a virtual network device in Unisphere under Settings > Network > Settings for File > Devices > Create.
Why is the physical device not displayed?
A. The device is already used.
B. You do not have permission to create devices.
C. The physical device is faulted.
D. There is no network cable plugged into the physical device.
Correct Answer: A QUESTION 84
Which virtual network device can be configured as Active/Standby?
C. Ethernet channel
D. VLAN Tagging
Correct Answer: B QUESTION 85
When performing switch maintenance, a customer accidentally disconnects all network connections to an active VNX Data Mover, which has a standby Data Mover.
How does the VNX handle this situation?
A. The primary Data Mover remains active.
B. The active Data Mover immediately fails over.
C. The active Data Mover fails over after 30 seconds of lost connectivity.
D. The VNX notifies EMC Support about the problem.
Correct Answer: A QUESTION 86
A customer would like to capture a NAR file with 26 hours of data outputted by Unisphere. What should the archive interval be set to?
A. 600 seconds
B. 300 seconds (default)
C. 60 seconds
D. 1200 seconds
Correct Answer: A QUESTION 87
Which three metrics can Unisphere QoS control?
A. Throughput, queue length, utilization
B. Bandwidth, response time, service time
C. Response time, bandwidth, throughput
D. Service time, seek distance, throughput
Correct Answer: C QUESTION 88
A customer has an application with a large sequential I/O pattern and wants to design the storage for the best possible performance.
Which design solution would you recommend?
A. Create one LUN per RAID group; present them to the host and use a Volume Manager to stripe across them.
B. Create one LUN per RAID group; create a striped metaLUN across all LUNs and present the metaLUN to the host.
C. Create multiple LUNs per RAID group; present them to the host and use a Volume Manager to stripe across them.
D. Create multiple LUNs per RAID group; create a striped metaLUN across all LUNs and present the metaLUN to the host.
Correct Answer: A QUESTION 89
A customer maintains a mission-critical database with a small transaction logging file. The customer would like to have the transaction log share array resources with other applications while maintaining a specified response time for the database. What Unisphere Quality of Service control mechanism will provide the necessary functionality?
B. Cruise control
C. Fixed queue depth
D. Round robin
Correct Answer: B QUESTION 90
A customer has implemented Unisphere Quality of Service to ensure that an application obtains the resources necessary to meet the required service level based on a consistent IOPS level. However, when the storage administrator reviewed performance of the application, the IOPS were variable and lower than expected. Other applications are receiving exactly the resources defined through the performance policies. What might be the problem?
A. The cruise control is within its learning period.
B. The Unisphere QoS control engine did not start.
C. The queue depth was set improperly.
D. The IOPS limit for the application was set too high.
Correct Answer: A QUESTION 91
When setting up QoS for a host’s LUNs, what software must be loaded on the host system?
B. Navisphere Host Agent
C. Navisphere Secure CLI
D. Server utility
Correct Answer: A QUESTION 92
A customer system has the watermark processing disabled. To which value will the low water mark (LWM) default?
Correct Answer: C QUESTION 93
What is the default cache page size in KB on a VNX?
Correct Answer: A QUESTION 94
A customer has reported degraded performance with several of the applications that run on a VNX. After going through the performance data on the array, you find that all the performance issues are centered around the same RAID 6 group, and that the RAID group is supplying 50 percent less IOPS than before.
What is the most likely reason?
A. The RAID group is being rebuilt.
B. The RAID group is trespassed.
C. Write cache is not configured.
D. The RAID group is being defragmented.
Correct Answer: A QUESTION 95
Refer to the exhibit.
The Unisphere Analyzer data shows all disks in a VNX. Using EMC best practices, what would be the best way of allocating storage from the unbound disks?
A. RAID 5 (4+1) group with 300 GB SAS disks and one hot spare
B. RAID 5 (5+1) group with 300 GB SAS disks and one hot spare
C. RAID 5 (5+1) group with 300 GB SAS disks and no hot spare
D. RAID 5 (4+1) group with 300 GB SAS disks and no hot spare
Correct Answer: D QUESTION 96
Refer to the exhibit.
This VNX has the disks shown in the front view. They are all 300 GB 10K disks.
What is the maximum number of drives that you can add to a new RAID group in this situation?
Correct Answer: A QUESTION 97
Refer to the exhibit.
The array has only the disks shown on the exhibit. All disks in the array are 600 GB 15K drives. One disk is used as a hot spare.
What is the maximum number of disks you can add to a single pool?
Correct Answer: A QUESTION 98
What is the best way to set up a FAST VP pool on a VNX Block system running VNX OE for Block (v31)?
A. Five Flash disks in RAID 5 (4+1); five SAS disks in RAID 5 (4+1); six NL-SAS disks in RAID 6 (4+2).
B. Five Flash disks in RAID 5 (4+1); six SAS disks in RAID 6 (4+2); six NL-SAS disks in RAID 6 (4+2).
C. Five Flash disks in RAID 5 (4+1); five SAS disks in RAID 5 (4+1); eight NL-SAS disks in RAID 6 (6+2).
D. Five Flash disks in RAID 5 (4+1); five SAS disks in RAID 5 (4+1); five NL-SAS disks in RAID 5 (4+1).
Correct Answer: D QUESTION 99
In Unisphere Analyzer, what are two possible views when you right-click a RAID group?
A. LUN I/O Disk Detail & Performance Detail
B. Performance Detail & I/O Size Distribution Summary
C. LUN I/O Disk Detail & I/O Size Distribution Detail
D. Performance Detail & I/O Size Distribution Detail
Correct Answer: A QUESTION 100
You have collected four Analyzer archives (Day1.NAR, Day2.NAR, Day3.NAR and Day4.NAR) and would like to merge them into one. What is one way you can do this in Unisphere?
A. 1. Merge Day1.NAR and Day2.NAR into Days1_2.NAR
Merge Day3.NAR and Day4.NAR into Days3_4.NAR
Merge Days1_2.NAR and Days3_4.NAR into AllDays.NAR
B. 1. Merge Day1.NAR, Day2.NAR and Day3.NAR into Days1_2_3.NAR
2. Merge Days1_2_3.NAR with Day4.NAR into AllDays.NAR
C. Merge all four archives into AllDays.NAR at the same time.
D. You cannot merge Analyzer archives.
Correct Answer: A
Refer to the exhibits. Exhibit A
Which SAN connectivity solution uses the EMC best practice for port group oversubscription on a Cisco 24-port module?
A. Exhibit 1
B. Exhibit 2
C. Exhibit 3
D. Exhibit 4
Correct Answer: A
A customer needs to give a host 300 GB of disk space to improve performance. The VNX to be used has three RAID groups available.
RAID group 1 is RAID 5 (4+1) with 240 GB free
RAID group 2 is RAID 5 (4+1) with 220 GB free
RAID group 3 is RAID 5 (6+1) with 250 GB free
The utilization of each RAID group is minimal and all use 300 GB SAS drives. Keeping in mind the best practices, how would you create a metaLUN?
A. Striped with 100 GB on RAID group 1, RAID group 2 and RAID group 3.
B. Concatenated with 50 GB on RAID group 1 and 250 GB on RAID group 3.
C. Striped with 150 GB on RAID group 1 and RAID group 2.
D. Concatenated with 100 GB on RAID group 1, RAID group 2 and RAID group 3.
Correct Answer: C
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